... 2) Good quality Needle Roller Bearing NK, NKI,NKIS, NA, RNA,RNAO,NAO,RNAV, NAV1) ISO9001-2000 Good quality ... 6913NKI 60/25NA 4916NA 6917NK40/20NKS 43RNA 4912RNA 6914 NA 4917NA 6918NK40/30NKS 45RNA 4913RNA 6915NKISNA 4918NA 6919NK42/20 ... 4918 NKIS 25NA 4926 NK45/30 RNA 4919 NKIS 35NA 4928 NK47/20 RNA 4920 NKIS 45 NK47/30 RNA ... RNA 4924 NK55/25 RNA 4828 NK60/25 RNA 4928 NA,NK Needle Roller Bearing